/*
 * Copyright (c) 2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

class Eye {
}

class Animal{
    eye: Eye;
}

function getMe(input: Animal): Animal {
    let ret = input;
    return ret; 
}

function foo(): void {
    let cat = new Animal();
    let e = new Eye();
    cat.eye = e;
    let catAlias = getMe(cat);

    //let dog = new Animal();
    //let dogAlias = getMe(dog);
}
